Lakeshore Learning Materials 622 - Manual (Page 89)

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual
Mainframe Control Bus Operation B-5
Table B-1 MPS Mainframe Control Bus Remote Command Summary
Input
Command
Query Function
*CLS – Clear all pending status.
*ESE *ESE? Event status register enable.
– *ESR? Event status register contents.
– *IDN? Product identification.
*SRE *SRE? Service request (status byte) enable.
– *STB? Status byte register contents.
– *TST? Self-test error status.
MODE MODE? IEEE interface mode status (not used).
TERM TERM? IEEE interface terminator status. Terminators fixed at (CR)(LF).
I, ISET I?, ISET? Output current setting.
V, VSET V?, VSET? Output compliance voltage setting.
– IOUT? Output current measurement.
– VOUT? Output voltage measurement.
– ? Output current, voltage, status byte, and programming mode.
IMAX IMAX? Maximum output current setting limit.
RAMP1 RAMP? Ramp segment parameter programming.
SEG SEG? Active ramp segment (fixed at 1).
RMP RMP? Ramp active enable and status.
VCAL
ICAL
CALPL
CALMN
VZER
IZER
CALZ
–
Mainframe digital calibration.
ZI ZI? Output current zero setting.
ZIS ZIS? Output current zero enable and status.
– IMODE? Current programming mode switch status.
– VMODE? Voltage programming mode switch status.
– RES? Normal or high resolution status. (This command is obsolete. It is
retained to maintain compatibility with older MPS units.)
– OVP? Output overvoltage protection status.
– ERR? Error Status.
– RI? Remote inhibit status.
ISTP ISTP? Output current step setting.
ISTPS ISTPS? Output current step enable and status.
STEPR1 – Output current step status reset.